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Biological Nutrient Removal and Enhanced Biological Nutrient Removal:

• Behaviors of intercellular materials and nutrients in biological nutrient removal process supplied with domestic wastewater and food waste

• Biological Nutrient Removal Forum (WEF)  

• Enhanced Nutrient Removal— Nitrogen (pdf)

• High Purity Oxygen Biological Nutrient Removal (pdf)

• Point Source Pollution - Chesapeake Bay Program and BNR      

• Practical Considerations for Design of a Step-Feed Biological Nutrient Removal System (pdf)

• Reducing Methonal Requirements for the LOTT Biological Nutrient Removal Wastewater Treatment Plant (pdf)

• Simultaneous biological nutrient removal: evaluation of autotrophic denitrification, heterotrophic  nitrification, and biological phosphorus removal in full-scale systems

• The Evolution to Enhanced Nutrient Removal Technology (in Maryland)

• True Confessions of the Biological Nutrient Removal Process (pdf)

   

Collection Systems:

• Collection Systems Forum (WEF)

• Emerging Technologies for Conveyance Systems - New Installations and Rehabilitation Methods (pdf)

• Estimating Pump Performance (Ross Mackay)

• Protecting Our Pipelines - Eliminating Air Entrainment (HRSD video)

• Pump Ed 101 -  Understanding Pumps, Motors, and Their Controls

• Pump Submergence Calculations and Air Entrainment

• Pump Submergence Guidelines / Equation

   

Disinfection:

          • UV Lamp Maintenance (pfd)

General Technical Information:

• Grease Trap Guidelines

• Meter Size Calculator

• Online Conversions - Convert just about anything to anything else

Instrumentation and Controls:

          • Failure to Pump Monitor 421 (pdf)

          • Failure to Pump Monitor PMP-25 (pdf)

Nitrification and Denitrification:

• An Investigation of the Feasibility of Nitrification and Denitrification of a Complex Industrial

Wastewater with High Seasonal Temperatures (VPI thesis) (pdf)

• Archaea Improves Ammonia Removal (pdf)

• Deep Bed Denitrification Filters Play Role in Improved Wastewater Quality (pdf)

• Denitrification (Virtual tour)

• Nitrification (definition and basic chemistry)

• Nitrification (Virtual tour)

• Nitrification Basics for Aerated Lagoon Operators

• Nitrogen Removal Technologies for Meeting Nitrogen Load Reductions in the Chesapeake Bay Watershed (VPI) (pdf)

• Nutrient Removal – An Evolving Challenge (pdf)

• Simultaneous Nitrification and Denitrification in Aerobic Chemostat Cultures of Thiosphaera pantotropha

• Technical Tale - Aerobic MCRT for Nitrification Control (pdf)

• The Nitrogen Cycle

• Troubleshooting of Nitrification Upsets at Pharmaceutical Wastewater Treatment Plant (pdf)

  

Sewage Treatment Biology:

• Ciliata: Life History and Ecology

• Introduction to the Rotifera

• Nitrobacter winogradskyi Nb-255

• Nitrosomonas eutropha C71

• Rotifers: A General Introduction

                          

Sludge Bulking:

• Activated Sludge Microbiology Problems and their Control (pdf)

• Evaluation of Settling and Foaming Properties of Activated Sludges

• Practical Control Methods For Activated Sludge Bulking and Foaming

Water Reuse:

• EPA Guidelines for Water Reuse (pdf)

• Potential Impacts of Nanoparticles on Water Reclamation (pdf)

  

• Water Efficiency Journal